Home / 16,940.64-23,397.71-11,265.56

Finding the Fourth Proportional to 16,940.64, 23,397.71 and 11,265.56

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Solution

The fourth proportional to 16,940.64, 23,397.71 and 11,265.56 is: 15,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.64 : 23,397.71 = 11,265.56 : x
  2. Step 2: Convert to fraction form
    16,940.64/23,397.71 = 11,265.56/x
  3. Step 3: Cross multiply
    16,940.64x = 23,397.71 × 11,265.56
  4. Step 4: Simplify right side
    16,940.64x = 263,588,220.29
  5. Step 5: Solve for x
    x = 263,588,220.29/16,940.64
  6. Step 6: Final answer
    x = 15,559.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.